<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title" />
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model="loginForm.mobile"
          maxlength="11"
          placeholder="请输入手机号码"
          name="mobile"
          type="text"
        />
        <!-- tabindex="1" -->
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          auto-complete="new-password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        type="primary"
        :loading="loading"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
      >登录</el-button>

      <div class="registered">
        <router-link to="">还没有账号?立即注册</router-link>
      </div>
      <div class="tips">
        <span style="margin-right: 20px">手机号: 13800000002</span>
        <span> 密码: 123456</span>
      </div>
    </el-form>
  </div>
</template>

<script>
import { mapState, mapGetters, mapMutations, mapActions } from 'vuex'
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [
          {
            trigger: 'blur',
            pattern:
              /^(13[0-9]|14[579]|15[0-3,5-9]|16[6]|17[0135678]|18[0-9]|19[89])\d{8}$/,
            message: '手机格式不正确'
          },
          { required: true, message: '请输入手机号', trigger: 'blur' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '请输入密码' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      },
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    ...mapActions('user', ['login', 'getInfo']),
    showPwd() {
      // 切换密码和显示密码框
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },

    handleLogin() {
      this.$refs.loginForm.validate(async(valid) => {
        if (valid) {
          await this.login(this.loginForm)
          this.$router.push(this.redirect || '/')
          this.$message.success('登录成功')
        } else {
          this.$message.error('用户名或密码错误')
          console.log('error submit!!')
          return false
        }
      })
    }
  },
  computed: {
    ...mapState('user', ['loading'])
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #000;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  background: url('~@/assets/common/login.jpg') no-repeat 0 0;
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;
      &.el-input__inner {
        // background-color: transparent;
      }
      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
    .el-form-item {
      ::v-deep .el-form-item__error {
        color: #fff;
      }
    }
    .el-button {
      // background-color: #4080fe;
      font-size: 1.666667rem;
    }
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    text-align: center;
    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    height: 3.666667rem;
    padding: 0 1.666667rem;
    .title {
      background: url('~@/assets/common/login-logo.png') 0 0 no-repeat;
      background-size: 100%;
      width: 100%;
      height: 3.666667rem;
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .registered {
    font-size: 1.333333rem;
    color: #fff;
    text-align: center;
    margin-bottom: 1.666667rem;
  }
}
</style>
